Gaya APA
Cooper, R., Kaplan, R, S. (1998).
The design cost management systems: text and cases ed. 2 (2).
Harlow:
Prentice Hall.
Gaya MLA
Cooper, Robin., Kaplan, Robert, S.
"The design cost management systems: text and cases ed. 2".
2
Harlow:
Prentice Hall,
1998.
Text.